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  <title>Document</title>
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<body>
  <script>
    //计算1-100的偶数和
    let i = 1
    let sum = 0
    while (i <= 100) {
      if (i % 2 === 0) {
        sum = sum + i
      }
      i++
    }
    console.log(`1-100的偶数求和：${sum}`)


  </script>
</body>

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